package com.blue.blue2018;

import java.math.BigInteger;

/**
 * @auther zsj
 * @Date 2021/12/15
 **/
public class Demo01 {
    public static void main(String[] args) {
        BigInteger re = new BigInteger("651764141421415346185").mod(new BigInteger("9"));
        System.out.println(re);//7==G

    }
}
